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kipiarov [429]
1 year ago
9

What is the name for potassium oxide's structure? Give two properties of potassium oxide.

Chemistry
1 answer:
Anna71 [15]1 year ago
8 0

Answer:

- The name for the potassium oxide's structure is ionic.

Properties:

- High melting point.

- Soluble in water.

Explanation:

- The ionic structure it is formed by a cation (atom with positive charge) and an anion (atom with negative charge). In this case, potassium is the cation and the oxigen is the anion.

- Since potassium oxide is an ionic compound, it has a high melting point, because of the strong bonds. Also, it is soluble in polar solvents, like water, because its ions generate polarity in the molecule.

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According to the collision theory, what two factors must be true for a given collision to successfully create products?
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How many grams of k2so4 would you need to prepare 1500 g of 5.0% k2so4 solution?
son4ous [18]
Data Given:
                                  % w/w  =  5 %

                    Solution weight  =  1500 g

                       Solute weight  =  ?

Formula Used:
                            % w/w  =  (Mass of Solute / Mass of Solution) × 100

Solving for Mass of Solute,
         
                       Mass of Solute  =  (% w/w × Mass of Solution) ÷ 100

                       Mass of Solute  =  (5 × 1500 g) ÷ 100

                       Mass of Solute  =  75 g K₂SO₄
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Two different liquids are mixed together. Which observation indicates that an exothermic chemical reaction has taken place?
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Answer:

rise in temp I think

Explanation:

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